#include <iostream>
struct antarctica_year_end
{
    int year;
};
int main()
{
    antarctica_year_end s01, s02, s03;
    s01.year = 1998;
    antarctica_year_end *pa = &s02;
    pa -> year = 1999;
    antarctica_year_end trio[3];
    trio[0].year = 2003;
    std::cout << trio->year << std::endl;
    const antarctica_year_end * arp[3] = {&s01, &s02 ,&s03};
    std::cout << arp[1] -> year << std::endl;
    const antarctica_year_end **ppa = arp;
    auto ppb = arp;
    std::cout << (*ppa)->year << std::endl;
    std::cout << (*(ppb + 1)) -> year << std::endl;
    return 0;
}